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ASSY 4 Combi Timber Screw Hexagon Head Zinc Plated 140mm Wurth

BRAND: Wurth
SKU: 158780140
$265.50 List price: $333.70
75 PCS ($3.54 per PCS)
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Wurth ASSY Combi Timber Screw Hexagon Head Zinc features 8mm and 140mm length. Ideal power transmission thanks to RW drive. Ideal for element construction.
Technical Specifications
  • Nominal diameter: 8 mm
  • Length: 140 mm
  • Head type: Hexagon head
  • Head height: 4.5 mm
  • External drive: WS12
  • Internal drive: RW40
  • Thread type: Wood screw thread
  • Thread design: Partial thread
  • Design: With shaft
  • Thread form: Coarse thread
  • Thread length: 80 mm
  • Material: Hardened steel
  • Surface: Zinc plated
  • Suitable materials: Wood, Derived timber product, Softwood, Board plywood (BSP), Hardwood, LVL
  • Core diameter: 5.3 mm
  • Tip shape: Tip with hilltop milling cutter
  • Tip angle: 34 degrees
  • Max screw-in angle: 90 degrees
  • Min screw-in angle: 0 degrees
  • RoHS-compliant: Yes
  • Approval: ETA-11/0190
  • Dimensions (H x L x W): 4.5mm x 140mm x 8mm
  • Weight: 0.15 kg
Key Features
  • Powerful partial-thread screw with shank reinforcement for wood-wood fastening with washer or precise 90° metal-wood fastening
  • Ideal power transmission thanks to RW drive
  • Larger contact area at the bit for more power
  • Tight-fit recess and perfect bit fit for stability, one-handed working, and precise positioning
  • Compatibility with previous AW drive
  • Combination of hexagon and RW drive reduces force required when fastening
  • Displacement milling effect of the milling shank reduces splitting
  • High breaking torque minimizes risk of screw breakage
  • Integration of milling shank into thread reduces risk of injury from metal chips
  • High protection of application tools, no over-tightening or stripping
  • Reinforced, asymmetrical thread flank geometry for higher power transmission in hardwoods
  • Smooth thread start ensures optimized recessing and biting
  • Dome-shaped milling elements reduce splitting effect
Professional Installation Requirements
  • Professional installation by a qualified tradesperson is recommended to ensure correct fastening and structural integrity.
Applications
  • Element construction
  • Timber panel construction
  • Structural woodwork
  • Metal wood connections
  • Indoor dry or sheltered wood construction areas
Standards & Compliance
  • AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
  • RoHS-compliant ensuring reduced hazardous substances
  • Durable zinc plating extends product life reducing waste
Warranty Information

Wurth offers standard manufacturer warranty covering defects in materials and workmanship.

Available Now

Wurth ASSY® 4 COMBI timber screws are available for immediate purchase, ideal for timber and structural wood fastening applications.

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